echo "Root commit"
;;
esac > "$DOTEST"/patch
- test -f "$DOTEST"/message ||
- git cat-file commit "$1" | sed "1,/^$/d" > "$DOTEST"/message
+ test -f "$MSG" ||
+ git cat-file commit "$1" | sed "1,/^$/d" > "$MSG"
test -f "$DOTEST"/author-script ||
get_author_ident_from_commit "$1" > "$DOTEST"/author-script
}
output git rev-parse --verify $sha1 || die "Invalid commit name: $sha1"
test -d "$REWRITTEN" &&
pick_one_preserving_merges "$@" && return
- if test ! -z "$REBASE_ROOT"
+ if test -n "$REBASE_ROOT"
then
output git cherry-pick "$@"
return
parent_sha1=$(git rev-parse --verify $sha1^) ||
die "Could not get the parent of $sha1"
current_sha1=$(git rev-parse --verify HEAD)
- if test "$no_ff$current_sha1" = "$parent_sha1"; then
+ if test -z "$no_ff" -a "$current_sha1" = "$parent_sha1"
+ then
output git reset --hard $sha1
- test "a$1" = a-n && output git reset --soft $current_sha1
- sha1=$(git rev-parse --short $sha1)
- output warn Fast-forward to $sha1
+ output warn Fast-forward to $(git rev-parse --short $sha1)
else
output git cherry-pick "$@"
fi
make_squash_message () {
if test -f "$SQUASH_MSG"; then
- COUNT=$(($(sed -n "s/^# This is [^0-9]*\([1-9][0-9]*\).*/\1/p" \
+ # We want to be careful about matching only the commit
+ # message comment lines generated by this function.
+ # "[snrt][tdh]" matches the nth_string endings.
+ COUNT=$(($(sed -n "s/^# Th[^0-9]*\([1-9][0-9]*\)[snrt][tdh] commit message.*:/\1/p" \
< "$SQUASH_MSG" | sed -ne '$p')+1))
echo "# This is a combination of $COUNT commits."
sed -e 1d -e '2,/^./{
echo
git cat-file commit HEAD | sed -e '1,/^$/d'
fi
- echo
- echo "# This is the $(nth_string $COUNT) commit message:"
- echo
- git cat-file commit $1 | sed -e '1,/^$/d'
+ case $1 in
+ squash)
+ echo
+ echo "# This is the $(nth_string $COUNT) commit message:"
+ echo
+ git cat-file commit $2 | sed -e '1,/^$/d'
+ ;;
+ fixup)
+ echo
+ echo "# The $(nth_string $COUNT) commit message will be skipped:"
+ echo
+ # Comment the lines of the commit message out using
+ # "# " rather than "# " to make them less likely to
+ # confuse the sed regexp above.
+ git cat-file commit $2 | sed -e '1,/^$/d' -e 's/^/# /'
+ ;;
+ esac
}
peek_next_command () {
- sed -n "1s/ .*$//p" < "$TODO"
+ sed -n -e "/^#/d" -e "/^$/d" -e "s/ .*//p" -e "q" < "$TODO"
}
do_next () {
- rm -f "$DOTEST"/message "$DOTEST"/author-script \
+ rm -f "$MSG" "$DOTEST"/author-script \
"$DOTEST"/amend || exit
read command sha1 rest < "$TODO"
case "$command" in
warn
exit 0
;;
- squash|s)
- comment_for_reflog squash
+ squash|s|fixup|f)
+ case "$command" in
+ squash|s)
+ squash_style=squash
+ ;;
+ fixup|f)
+ squash_style=fixup
+ ;;
+ esac
+ comment_for_reflog $squash_style
test -f "$DONE" && has_action "$DONE" ||
- die "Cannot 'squash' without a previous commit"
+ die "Cannot '$squash_style' without a previous commit"
mark_action_done
- make_squash_message $sha1 > "$MSG"
+ make_squash_message $squash_style $sha1 > "$MSG"
failed=f
author_script=$(get_author_ident_from_commit HEAD)
output git reset --soft HEAD^
pick_one -n $sha1 || failed=t
case "$(peek_next_command)" in
- squash|s)
+ squash|s|fixup|f)
USE_OUTPUT=output
MSG_OPT=-F
EDIT_OR_FILE="$MSG"
die "Cannot rewind the HEAD"
fi
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE &&
- git commit --no-verify -F "$DOTEST"/message -e || {
+ git commit --no-verify -F "$MSG" -e || {
test -n "$amend" && git reset --soft $amend
die "Could not commit staged changes."
}
# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# s, squash = use commit, but meld into previous commit
+# f, fixup = like "squash", but discard this commit's log message
#
# If you remove a line here THAT COMMIT WILL BE LOST.
# However, if you remove everything, the rebase will be aborted.